UVA173 Network Wars

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=109 [PDF](https://uva.onlinejudge.org/external/1/p173.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA173/40cedbd9feda40b318ac69d4f1184824726b443d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA173/cf2e8b5957b0b3f6a39ca8e14eb5e752bbb95674.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA173/608d1db77fea0f1dbb768204ba97e4675ef6619d.png)